title: Serum osteocalcin levels of normal children in Taiwan.
abstract: Osteocalcin is mainly secreted by osteoblasts, and then diffuses into blood which can be detected by several experimental methods. This study determined the osteocalcin level by solid phase fluorescent immunosorbent assay (Pharmacia CAP; Sweden), a well-established and accurate laboratory method for determining the minor concentration of substances in blood. A total of 332 healthy children were enrolled in the study, including 176 boys and 156 girls ranging in age from one to fifteen years. It was concluded that (1) quantitative osteocalcin (OCs) value varies between 30.2 to 41.0 ng/ml; (2) there is an incremental tendency in both sexes until puberty; (3) girls generally have a higher osteocalcin level than boys before mid-puberty (2-12 years old). The differences are statistically significant.
authors.affiliation: Department of Pediatrics, Chang-Gung Children's Hospital, Taoyuan, Taiwan, R.O.C.
authors.forename: S F
authors.initials: SF
authors.lastname: Lo
authors.forename: J L
authors.initials: JL
authors.lastname: Huang
authors.forename: L C
authors.initials: LC
authors.lastname: Chen
authors.forename: K W
authors.initials: KW
authors.lastname: Yeh
authors.forename: D C
authors.initials: DC
authors.lastname: Yang
authors.forename: K H
authors.initials: KH
authors.lastname: Hsieh
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D015675:Osteocalcin / Q000097:blood*; D012016:Reference Values; D013624:Taiwan
chemical_list: D015675:Osteocalcin